Update README.md for multi-GPU training

README.md

@@ -59,6 +59,7 @@ as well as [clusters of bad examples](https://atlas.nomic.ai/map/d2139cc3-bc1c-4
 
 - We can likely improve our model performance significantly if we had a better dataset. Consider supporting the [LAION Open Assistant](https://open-assistant.io/) effort to produce a high-quality dataset for supervised fine-tuning (or bugging them to release their data).
 - We're continually fixing bugs and conducting training runs, and the weights on the Hugging Face Hub are being updated accordingly. In particular, those facing issues with response lengths should make sure that they have the latest version of the weights and code.
+- Users with multiple GPUs should take a look [here](https://github.com/tloen/alpaca-lora/issues/8#issuecomment-1477490259).
 
 ### Resources